Finding the Fourth Proportional to 324,108,611.06, 447,269,905.12 and 177,430,895.06
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Solution
The fourth proportional to 324,108,611.06, 447,269,905.12 and 177,430,895.06 is: 244,854,647.15
Step by Step Solution
- Step 1: Write the proportion equation
324,108,611.06 : 447,269,905.12 = 177,430,895.06 : x - Step 2: Convert to fraction form
324,108,611.06/447,269,905.12 = 177,430,895.06/x - Step 3: Cross multiply
324,108,611.06x = 447,269,905.12 × 177,430,895.06 - Step 4: Simplify right side
324,108,611.06x = 79,359,499,597,281,136 - Step 5: Solve for x
x = 79,359,499,597,281,136/324,108,611.06 - Step 6: Final answer
x = 244,854,647.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.